HP compaq Hardware Manual page 4

Contents
Using Quick Launch Buttons . . . . . . . . . . . . . . . . . . . . . 2-10
Keypads . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 2-11
3 Battery Packs
Inserting or Removing the Primary Battery Pack . . . . . . 3-2
Using the Optional Travel Battery . . . . . . . . . . . . . . . . . . 3-5
Charging a Battery Pack. . . . . . . . . . . . . . . . . . . . . . . . . 3-10
Monitoring the Charge of a Battery Pack . . . . . . . . . . . 3-12
Managing Low-Battery Conditions . . . . . . . . . . . . . . . . 3-15
Calibrating a Battery Pack . . . . . . . . . . . . . . . . . . . . . . . 3-17
Conserving Battery Power . . . . . . . . . . . . . . . . . . . . . . . 3-18
Storing a Battery Pack . . . . . . . . . . . . . . . . . . . . . . . . . . 3-20
Disposing of a Used Battery Pack . . . . . . . . . . . . . . . . . 3-20
Finding More Power Information . . . . . . . . . . . . . . . . . 3-21
4 Hard Drive
Caring for Drives . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 4-1
Hard Drive Activity Light . . . . . . . . . . . . . . . . . . . . . . . . 4-2
Replacing the Primary Hard Drive. . . . . . . . . . . . . . . . . . 4-3
iv
Using the Internal Keypad. . . . . . . . . . . . . . . . . . . . 2-11
Using an External Keypad. . . . . . . . . . . . . . . . . . . . 2-12
Inserting or Removing the Battery Pack . . . . . . . . . . 3-5
Attaching or Detaching the Travel Battery . . . . . . . . 3-7
Displaying Charge Information on the Screen . . . . 3-13
Displaying Charge Information
on a Battery Pack. . . . . . . . . . . . . . . . . . . . . . . . . . . 3-14
Identifying Low-Battery Conditions . . . . . . . . . . . . 3-15
Resolving Low-Battery Conditions . . . . . . . . . . . . . 3-16
When to Calibrate . . . . . . . . . . . . . . . . . . . . . . . . . . 3-18
How to Calibrate . . . . . . . . . . . . . . . . . . . . . . . . . . . 3-18
Conserving Power as You Work . . . . . . . . . . . . . . . 3-18
Selecting Power Conservation Settings. . . . . . . . . . 3-19
Hardware Guide